As former Dallas Cowboys player Josh Brent was convicted of intoxication manslaughter and confronted with the possibility of spending up to 20 years in prison, the mother of the man he killed sat two rows behind him.

Dallas Cowboys defensive tackle Josh Brent retired from football at the age of 25 on Thursday, saying “doing the right things in life” is more important as he prepares to defend himself against a manslaughter charge in the drunken-driving crash that killed a teammate.